9 Utility Patents
#221 in Nanjing
#14,493 in China
#457,239 in the World
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Company Filing History:
Nanjing Tech University
Nanjing Gekof Institute of Environmental Protection Technology & Equipment Co., Ltd.
Cssc Nanjing Luzhou Environment Protection Co., Ltd.
4. 2 out of 2
Jiangsu Deyitong Environmental Protection Technology Co., Ltd.
5. 1 out of 6
Nanjing Institute of Environmental Sciences, Ministry of Ecology and Environment
where one patent can have more than one assignee
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